WM15 Smart Tankless Electric Water Heater
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WM15 Smart Tankless Electric Water Heater
Designed for growing households, the WINTEMP WM15 delivers powerful, continuous hot water with intelligent self-modulating technology. Featuring adaptive temperature control, WiFi connectivity, and a compact wall-mounted design, it provides reliable comfort, greater energy efficiency, and stable performance for everyday living.
Endless Hot Water with Intelligent Flow Control
Enjoy continuous hot water without the limitations of a storage tank. The WM15 automatically adjusts heating output based on incoming water temperature and water flow, delivering stable hot water exactly when you need it. Designed to comfortably supply 1–2 points of use, it's an ideal solution for modern kitchens, bathrooms, and small to medium-sized homes.
Adaptive Temperature Control
Powered by an intelligent adaptive control chip, the WM15 continuously monitors water conditions to maintain outlet temperatures within ±1°F. Whether you're taking a shower or washing dishes, you'll enjoy a more stable and comfortable hot water experience with fewer temperature fluctuations.
Smart Self-Modulating Technology
The WM15 intelligently adjusts its power consumption in real time according to water demand. By heating only the water you need, it maximizes efficiency, reduces unnecessary electricity usage, and helps lower operating costs without sacrificing performance.
Compact Design, Flexible Installation
With a sleek wall-mounted profile that occupies over 50% less space than traditional tank water heaters, the WM15 fits neatly into bathrooms, kitchens, apartments, utility rooms, and renovation projects where space is at a premium.
Smart WiFi Control
Manage your water heater from anywhere through the WINTEMP App. Remotely adjust water temperature, monitor real-time water flow and energy usage, and enjoy convenient control from your smartphone.
Engineered for Long-Term Reliability
Featuring an advanced cast aluminum heating system and a water-electricity separation design, the WM15 helps minimize scale buildup and corrosion while improving long-term heating efficiency. Built for dependable performance with minimal maintenance.
Comprehensive Safety Protection
Multiple built-in safety systems—including leakage protection, overheat protection, and dry-fire protection—work together to ensure safe, worry-free operation. ETL certification provides additional confidence for residential installations.
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What Is Covered
This Standard Limited Warranty covers defects in materials or workmanship when the product is installed and operated in accordance with WINTEMP’s written installation instructions and subject to the terms and conditions outlined in this Limited Warranty.
This Limited Warranty applies only to products that are properly installed in the United States and Canada. Improper installation may void this warranty.
WINTEMP strongly recommends that this tankless electric water heater be installed by a licensed, state-qualified contractor who is trained in tankless water heater installations. Improper installation may result in loss of warranty coverage.
How Long Does Coverage Last
Period of Coverage (from date of purchase)
- Full Unit Warranty — 24 Months
- All Other Parts & Components — 36 Months
- Shipping Costs Coverage — 30 Days
How to Obtain Service
To request warranty service under this Limited Warranty, the product owner must contact the WINTEMP Customer Support Team at:
Email: support@wintempshop.com
Whether a repair, replacement, or refund will be provided is entirely at WINTEMP’s sole discretion. Any return for a refund must be approved by the WINTEMP Customer Service Team before the product is shipped back.
Information Required to Request Warranty Service:
- Proof of purchase
- Product serial number
- Photos of the installation
- Photos of the damaged part
Limitation of Warranty Liability
During the warranty period, all repair parts must be genuine WINTEMP parts, and all repairs or replacements must be performed by qualified professionals who have received relevant training.
If a component of the product fails due to a manufacturing defect, WINTEMP may, at its sole discretion, provide a repair, replacement, or refund.
WINTEMP does not authorize any individual or company to assume any obligations or liabilities on its behalf in connection with product replacement.
If WINTEMP determines that the product cannot be repaired, it may replace it with a product of comparable performance and specifications at its sole discretion.
Exclusions from Warranty
The following situations are not covered under this Limited Warranty:
- If the product is not installed or maintained according to WINTEMP’s Installation Manual, or does not comply with applicable federal, state/provincial, or local laws, regulations, codes, or licensing requirements, this warranty will be void.
- Any abuse, misuse, unauthorized modification, negligence, or improper use of the product will void the warranty.
- Damage caused by services performed by third-party providers other than WINTEMP is not covered.
- WINTEMP is not responsible for any labor costs, including installation or removal services associated with a warranty claim.
- Damage resulting from improper installation, including incorrect sizing, pipe length, elevation, condensation drainage, or inadequate airflow, is not covered.
- Damage caused by improper use, including freezing of the unit or surrounding pipes, incorrect sizing for the application, scale buildup, or incorrect gas and/or water pressure, is not covered.
- This product must not be used as a pool or spa heater. Using it for pool or spa heating is considered misuse and will void the warranty.
- Damage caused by the use of non-potable, untreated, or improperly treated well water, or water with a pH level or hardness exceeding 12 grains per gallon (200 mg/L), is not covered.
- If the product’s original serial number has been removed or altered so it cannot be clearly identified, this Limited Warranty will not apply.
Package Comes With
Frequently Asked Questions
Shipping
What countries do you ship to?
What countries do you ship to?
We currently ship to the United States, Canada, Australia and the UK. To enquire about shipping to a different destination, please contact us.
How long will it take to receive my order?
How long will it take to receive my order?
Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).
Returns and Refunds
How do I return a product?
How do I return a product?
Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.
How long will it take to receive my refund?
How long will it take to receive my refund?
Refunds are processed within 7 days from when we receive the item(s).
